Pocketed seat backrest cover



FIG. 1 is a front elevational view of the pocketed seat backrest cover showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a front perspective view; and

FIG. 4 is a rear perspective view thereof. 

The ornamental design for a pocketed seat backrest cover, as shown and described. 